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. 2010 Dec 24;26(6):643–650. doi: 10.1007/s11606-010-1608-2

Table 1.

Sample Characteristics

Study Thase et al. 200723 (Augment) Thase et al. 200723 (Substitute) Scott et al. 200033 Harley et al. 200828 Kennedy et al. 200337 Blackburn and Moore 1997a27 Wiles et al. 200835
Sample size, n
 Psychotherapy 65 36 80 13 23 17 14
 Comparator 117 86 78 11 21 20 11
Age, y (M ± SD)
 Psychotherapy 40.6 ± 11.5 43.4 ± 14.7 43.5 ± 9.8 41.8 40.7 ± 12.5 37.8 ± 13.1 45.5 ± 12.8
 Comparator 39.7 ± 13.5 41.5 ± 13.3 43.2 ± 11.2 37.7 ± 11.3 40.1 ± 12.7 45.1 ± 11.1
Female, n (%)
 Psychotherapy 41 (63%) 22 (61%) 37 (46%) 18 (75%) 12 (52%) 17 (77%)a 12 (85.7%)
 Comparator 78 (67%) 53 (62%) 41 (53%) 12 (57%) 17 (65%)a 9 (81.8%)
Caucasian, n (%)
 Psychotherapy 52 (80%) 28 (78%) _ 20 (83%) _ _ _
 Comparator 99 (85%) 63 (73%)
Duration of current episode, wks (M±SD)
 Psychotherapy 129 ± 214 76 ± 135 62.9 28.7 ± 18.8 126 ± 170 30.4 ± 6.1 86% > 1 yr
 Comparator 87 ± 206 115 ± 234 56.4 41.8 ± 53.6 120 ± 161 29.9 ± 5.6 82% > 1 yr
Number of prior MDD episodes (M ± SD)
 Psychotherapy 7.3 ± 14.1 8.7 ± 18.8 2 (median) Not reported 2.1 ± 1.5 4.1 ± 3.4 Not reported
 Comparator 4.6 ± 5.4 8.4 ± 16.0 2 (median) 2.3 ± 1.4 3.2 ± 2.2
Baseline HAM-Db scores
 Psychotherapy 17.8 ± 5.7 16.4 ± 6.2 12.1 ± 2.7 16.2 ± 4.5 12.1 ± 2.2 11.8 ± 6.3 Not administered
 Comparator 16.0 ± 6.7 16.0 ± 6.7 12.2 ± 2.9 18.6 ± 4.7 11.6 ± 1.9 10.6 ± 6.8
Baseline self-report scores QIDS-SRd QIDS-SR BDIc BDI BDI BDI BDI
 Psychotherapy 11.9 ± 4.3 11.2 ± 4.3 21.7 ± 7.7 27.3 ± 8.8 22.7 ± 8.6 20.4 ± 11.1 31.1 ± 8.5
 Comparator 12.0 ± 4.6 12.1 ± 4.6 22.3 ± 8.0 27.4 ± 11.7 22.4 ± 10.3 19.7 ± 14.2 26.8 ± 6.8
Setting MHC & PCf MHC & PC MHCe MHC MHC MHC PC
Location U.S.A. U.S.A. England U.S.A. Canada Scotland England

aHAM-D, BDI and QIDS-SR scores for this study based on smaller number that enrolled in phase 2 of the study following initial treatment with antidepressants; bHAM-D = Hamilton Depression Scale; cBDI = Beck Depression Inventory; dQIDS-SR = Quick Inventory of Depressive Symptoms-Self Report; eMHC = Mental Health Clinic; fPC = Primary Care Clinic